level: Acid-base indicators
Questions and Answers List
level questions: Acid-base indicators
| Question | Answer |
|---|---|
| Explain the relationship between the pH range of an acid-base indicator and its pKa value. | The relationship is that the indicator's color change occurs over a pH range centered around its pKa, with the midpoint of the color change corresponding to the pKa value. |
| At what point does the indicator change colour? | When the pH = pKa |